ExternalUSB+LUKS+LVM
cryptsetup luksFormat /dev/sdb cryptsetup luksOpen /dev/sdb external pvcreate /dev/mapper/external vgcreate vg-backup /dev/mapper/external lvcreate -l 17884 vg-backup mkfs.ext4 -m 0 /dev/vg-backup/lvol0
mount /dev/vg-backup/lvol0 /mnt/backup
umount /mnt/backup lvchange -a n /dev/vg-backup/lvol0 vgchange -a n vg-backup
cryptsetup luksClose /dev/sdb
rsync -av --delete --log-file=/root/raid5_backup.log --exclude /mnt/raid5/drew/video /mnt/raid5/ /mnt/backup
• Dry Run rsync -avn --delete --log-file=/root/raid5_backup.log --exclude drew/video /mnt/raid5/ /mnt/backup